brick:Methane_Level_Sensor leaf node

@prefix brick: <https://brickschema.org/schema/Brick#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix tag: <https://brickschema.org/schema/BrickTag#> .

brick:Methane_Level_Sensor a owl:Class,
        sh:NodeShape ;
    rdfs:label "Methane Level Sensor"@en ;
    rdfs:subClassOf brick:Air_Quality_Sensor ;
    skos:definition "Measures the concentration of methane in air"@en ;
    sh:rule [ a sh:TripleRule ;
            sh:object tag:Level ;
            sh:predicate brick:hasTag ;
            sh:subject sh:this ],
        [ a sh:TripleRule ;
            sh:object tag:Methane ;
            sh:predicate brick:hasTag ;
            sh:subject sh:this ],
        [ a sh:TripleRule ;
            sh:object tag:Point ;
            sh:predicate brick:hasTag ;
            sh:subject sh:this ],
        [ a sh:TripleRule ;
            sh:object tag:Sensor ;
            sh:predicate brick:hasTag ;
            sh:subject sh:this ] ;
    brick:hasAssociatedTag tag:Level,
        tag:Methane,
        tag:Point,
        tag:Sensor ;
    brick:hasQuantity brick:Methane_Concentration ;
    brick:hasSubstance brick:Air .